Messenger molecules - PowerPoint PPT Presentation

Diseases of the Immune System

Diseases of the Immune System. Too little or Too much. The normal Immune response. Innate immunity Epithelial barriers Phagocytic cells (monocytes and neutrophils) Dendritic cells (type 1 IF) Natural killer cells Plasma proteins ( including the complement system) Adaptive Immunity

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14 Cell Signaling

14 Cell Signaling. Cell Signaling. Focus on higher order vertebrates Multiple levels of cell signaling Endocrine Cells producing signaling factors are physically separated Messenger molecules are secreted Carried in blood or extra-cellular fluid Target Cells Membrane receptors

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Chapter 11 Cell Communication

Chapter 11 Cell Communication. AP BIOLOGY. Overview – The Cellular Internet. Cell to cell communication is important for multicellular organisms - The trillions of cell that make up these organisms have to be able to communicate with each other so they can co- ordinate their activities

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551 views • 20 slides

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